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Removal of Zinc from Aqueous Solutions Using Bagasse Fly Ash − a Low Cost Adsorbent
Abstract
Bagasse fly ash, a sugar industry waste, has been converted into an inexpensive and efficient adsorbent. The product obtained has been characterized and utilized for the removal of zinc from aqueous solutions over a wide range of initial metal ion concentration (3.06 × 10 -4 to 3.06 × 10 -3 M), contact time (24 h), adsorbent dose (5−20 g L -1 ), and pH (1.0−6.0). The removal of Zn 2+ is 100% at low concentrations, whereas it is 60−65% at higher concentrations at an optimum pH of 4.0, using 10 g L -1 of adsorbent in 6−8 h of equilibration time. The uptake decreases with a rise in temperature indicating the process to be exothermic in nature. Kinetic studies have been performed to understand the mechanism of adsorption. The removal takes place through film diffusion mechanism at lower concentrations (≤1.84 × 10 -3 M) and by particle diffusion at higher concentrations (≥ 3.06 × 10 -3 M).
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Cited by
A review on the utilization of fly ash
Ahmaruzzaman, M. (2010) · Progress in Energy and Combustion Science · doi:10.1016/j.pecs.2009.11.003 · Cited by 2,641
A state-of-the-art review on wastewater treatment techniques: The effectiveness of adsorption method
Rashid, R., Shafiq, I., Akhter, P., Iqbal, M. J., & Hussain, M. (2021) · Environmental Science and Pollution Research · doi:10.1007/s11356-021-12395-x · Cited by 1,315
Degradation of dyes from aqueous solution by Fenton processes: a review
Nidheesh, P. V., Gandhimathi, R., & Ramesh, S. T. (2013) · Environmental Science and Pollution Research · doi:10.1007/s11356-012-1385-z · Cited by 696
Adsorption of heavy metal ions by various low-cost adsorbents: a review
Chakraborty, R., Asthana, A., Singh, A. K., Jain, B., & Susan, A. B. H. (2022) · International Journal of Environmental & Analytical Chemistry · doi:10.1080/03067319.2020.1722811 · Cited by 659
Gupta, V. K., Rastogi, A., & Nayak, A. (2010) · Journal of Colloid and Interface Science · doi:10.1016/j.jcis.2009.09.065 · Cited by 644
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Metadata
- Authors
- Gupta, V. K., & Sharma, S.
- Venue
- Industrial & Engineering Chemistry Research
- Publisher
- American Chemical Society (ACS)
- Published
- 2003-11-12
- Volume
- 42
- Issue
- 25
- Pages
- 6619-6624
- ISSN
- 0888-5885 (ISSN-L)
- 1520-5045
- OpenAlex
- W2055833830
- Cited by
- 263
- References
- 0
- FWCI
- 7.94
- Type
- journal article
- Language
- en
- Open access
- closed
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- Gupta, V. K., & Sharma, S. (2003). Removal of Zinc from Aqueous Solutions Using Bagasse Fly Ash − a Low Cost Adsorbent. Industrial & Engineering Chemistry Research. https://doi.org/10.1021/ie0303146
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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